package com.example.exercise.chain;

/**
 * @author Administrator
 * @description
 * @date 2022/3/1 15:08
 */
public class TestMain {
    public static void main(String[] args) {
        MyHandler h1 = new MyHandler("h1");
        MyHandler h2 = new MyHandler("h2");
        MyHandler h3 = new MyHandler("h3");
        h1.setHandler(h2);
        h2.setHandler(h3);

        h1.operate();
    }
}
